array errors whit imported java.util.arrays

i still having this errors also if i've imported java.util.Arrays :

Hangman.java:43: error: cannot find symbol
                 char[] randomWordToGuess = randomWordToGuessC.toCharArray() ;
                                            ^
  symbol:   variable randomWordToGuessC
  location: class Hangman
Hangman.java:94: error: cannot find symbol
                for (int i = 0; i <  array.length; i++  ) {
                                     ^
  symbol:   variable array
  location: class Hangman
Hangman.java:95: error: cannot find symbol
                        System.out.println(array[i] + "");
                                           ^
  symbol:   variable array
  location: class Hangman
Hangman.java:100: error: cannot find symbol
        for (int i = 0; i <  array.length; i++  ) {
                             ^
  symbol:   variable array
  location: class Hangman
Hangman.java:101: error: cannot find symbol
                if (array[i] == '_') return false;
                    ^
  symbol:   variable array
  location: class Hangman
5 errors

my code is:

import java.util.Random ;
import java.util.Scanner ;
import java.util.ArrayList;
import java.util.concurrent.ThreadLocalRandom;
import java.util.Arrays;

public class Hangman {

        public static void main(String[] args) {
                Scanner scanner = new Scanner (System.in);
                Random random = new Random();
                String ciao = "ciao";
                String programmazione = "programmazione";
                String frutto = "frutto";
                String cianbella = "cianbella";
                String[] guesses= {"ciao", "ciambella","frutto"};
                //char[] guessesChar = guesses.toCharArray() ;
//              String randomGuesses= (guesses.[random().nextInt(guesses.length)]);
                boolean weArePlaying = true;
                while (weArePlaying) {
                        System.out.println("Benvenuto all' impiccato di MatStar15");
                for (int i = 1; i <= 1; i++) {
                        //*                                  INIZIO RANDOM
 
                ArrayList<String> companyName = new ArrayList<String>();
 
                companyName.add("Ciao");
                companyName.add("frutta");
                companyName.add("Twitter");
                companyName.add("Paypal");
                companyName.add("Uber");
                companyName.add("Yahoo");
 
                //Get Random Company Name from Arraylist using Random().nextInt();
                String randomWordToGuessC = companyName.get(new Random().nextInt(companyName.size()));

 
        }
// *                       FINE RANDOM

                        char[] randomWordToGuess = randomWordToGuessC.toCharArray() ;
//                      char randomWordToGuess = guesses[random.nextInt(guesses.length)].toCharArray();



                        int amountOfGuesses = randomWordToGuess.length; //100
                        char[] playerGuess = new char[amountOfGuesses];//_ _ _ _ _
                        for (int i = 0; i < playerGuess.length; i++  ) {
                                playerGuess[i] = '_' ;
                                
                        }

                        boolean wordIsGuessed = false;
                        int tries = 0;
                        
                        while (!wordIsGuessed && tries != amountOfGuesses) {
                                System.out.println("numero di tentativi: \n");
                                printArray(playerGuess);
                                System.out.printf("hai altri ");
                                System.out.printf("tries ", amountOfGuesses - tries + "\n");
                                System.out.printf ( " tentativi.\n") ;
                                System.out.println("digita un solo carattere");
                                char input = scanner.nextLine().charAt (0); //shadgsv --> solo "s" 
                                tries++;
                                
                                if (input=='_') {
                                        weArePlaying = false ;
                                        wordIsGuessed = true ;
                                } else {
                                        for (int i = 0; i < randomWordToGuess.length; i++  ) {
                                                if (randomWordToGuess[i] == input) {
                                                        playerGuess[i] = input;
                                                }
                                        }
                                        
                                        if (isTheWordGuessed(playerGuess)) {
                                                wordIsGuessed = true ;
                                                System.out.println ("congratuliazioni hai vinto!");
                                        }
                                }
                        }       
                        
                        if (!wordIsGuessed) System.out.println("hai finito i tentativi :/");
                        System.out.println("vuoi fare un'altra partita? (si/no)");
                        String anotherGame = scanner.nextLine ();
                        if (anotherGame.equals("no")) weArePlaying = false;
                        
                }
                System.out.println("GameOver");
        }
        public static void printArray(char[] Array) {
                for (int i = 0; i <  array.length; i++  ) {
                        System.out.println(array[i] + "");
        }
                System.out.println() ;
        }
        public static boolean isTheWordGuessed(char[] Array) {
        for (int i = 0; i <  array.length; i++  ) {
                if (array[i] == '_') return false;
        }
        return true;
        }
}

what can i do for fixing everything and maybe also compact everything ?